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M3.9 Depth: 10.0 km

M3.9 Earthquake near East Nusa Tenggara (Indonesia)

UTC time: 2026-08-21 14:36:58 UTC Local time: —

About this earthquake

A magnitude M3.9 earthquake was recorded near East Nusa Tenggara (Indonesia) on August 21, 2026 at 14:36 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: 126 earthquakes were recorded in the past 24 hours, the strongest reaching M5.6.

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (44.7 km)
Regional average: 44.7 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Paluweh
    Distance: 31 km ·Stratovolcano ·Elevation: 875 m ·Last eruption: 2013 ·Indonesia
  • Ebulobo
    Distance: 67 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Kelimutu
    Distance: 71 km ·Complex ·Elevation: 1'639 m ·Last eruption: 1968 ·Indonesia
  • Inielika
    Distance: 72 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Iya
    Distance: 74 km ·Stratovolcano ·Elevation: 618 m ·Last eruption: 1969 ·Indonesia
  • Inierie
    Distance: 86 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia

Historic earthquake map · Indonesia

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Country statistics · Indonesia

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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